package com.prs.crm.dao.stock;

import java.util.Collection;

import com.prs.crm.dao.BaseDao;
import com.prs.crm.domain.stock.ClassAttribute;
import com.prs.crm.domain.stock.ProductClass;

public interface ProductClassDao extends BaseDao<ProductClass> {

	Collection<ProductClass> getProductClasses();
	
	Collection<ProductClass> findRootClasses();
	
	int removeAttributes(final Integer[] attrIds);
	
	 ClassAttribute getAttribute(Integer attrId);
}
